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Picrolite

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09707890014947158424697.jpg
Picrolite

Thetford Mines, Les Appalaches RCM, Chaudière-Appalaches, Québec, Canada
04317960014947158468932.jpg
Picrolite

Cardiff Serpentine Quarry, Cardiff, Woodensburg-Cardiff Mining District, Harford Co., Maryland, USA
08124170014948588044511.jpg
Picrolite

Ropes Gold Mine, Ishpeming Greenstone belt, Marquette Co., Michigan, USA
09707890014947158424697.jpg
Picrolite

Thetford Mines, Les Appalaches RCM, Chaudière-Appalaches, Québec, Canada
04317960014947158468932.jpg
Picrolite

Cardiff Serpentine Quarry, Cardiff, Woodensburg-Cardiff Mining District, Harford Co., Maryland, USA
09346270014958226882623.jpg
Picrolite

Ropes Gold Mine, Ishpeming Greenstone belt, Marquette Co., Michigan, USA
09707890014947158424697.jpg
Picrolite

Thetford Mines, Les Appalaches RCM, Chaudière-Appalaches, Québec, Canada
04317960014947158468932.jpg
Picrolite

Cardiff Serpentine Quarry, Cardiff, Woodensburg-Cardiff Mining District, Harford Co., Maryland, USA
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About PicroliteHide

Formula:
D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Name:
First described from Yaberg Sweden, in 1808. Often considered a variety of antigorite, but picrolite from Taberg was later found to be carlosturanite, and it seems that other picrolite specimens can be other species of serpentine, including lizardite and chrysotile.
A variety of Serpentine Subgroup

Columnar or coarsely fibrous (non-asbestiform) variety of serpentine, commonly referred to as a variety of antigorite but may be other species.


Chemical Properties of PicroliteHide

Formula:
D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Elements listed:
Al, Fe, H, Mg, Mn, Ni, O, Si, Zn - search for minerals with similar chemistry

Synonyms of PicroliteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
5 photos of Picrolite associated with LizarditeMg3(Si2O5)(OH)4
3 photos of Picrolite associated with Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
2 photos of Picrolite associated with ChromiteFe2+Cr3+2O4
2 photos of Picrolite associated with AntigoriteMg3(Si2O5)(OH)4
1 photo of Picrolite associated with Chlorite Group
1 photo of Picrolite associated with MagnetiteFe2+Fe3+2O4
1 photo of Picrolite associated with Clinochrysotile
1 photo of Picrolite associated with ChrysotileMg3(Si2O5)(OH)4

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for PicroliteHide

Reference List:
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Internet Links for PicroliteHide

Localities for PicroliteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Australia
 
  • New South Wales
    • Drake Co.
      • Baryulgil
Metallogenic Study and Mineral Deposit Data Sheets: Grafton-Maclean Metallogenic Map (SH/56-10, SH/56-11), Geological Survey of New South Wales, 2001: HF Henley, RE Brown, JW Brownlow, RG Barnes and WJ Stroud. Published by the Geological Survey of New South Wales.
  • Tasmania
    • West Coast municipality
      • Zeehan district
        • North Dundas
          • Serpentine Hill
R Bottrill unpub data
    • West Tamar municipality
      • Beaconsfield district
R Bottrill unpub report 2016
Canada
 
  • New Brunswick
    • Charlotte Co.
      • Grand Manan Island
        • White Head Island
          • Gull Cove
Grand Manan Museum
  • Ontario
    • Cochrane District
      • Munro Township
Ann P.Sabina (2000), Rocks and Minerals for the Collector, Cobalt-Belleterre-Timmins, Ontario and Quebec. GSC Misc. Report 57, p.126
      • Timmins area
        • Porcupine mining district
          • Deloro Township
Van King
    • Sudbury District
      • Reeves Township
Ann P.Sabina (2000), Rocks and Minerals for the Collector, Cobalt-Belleterre-Timmins, Ontario and Quebec. GSC Misc. Report 57, p.178
Czech Republic
 
  • South Moravian Region
    • Blansko District
      • Letovice
Ulrych, J.: Stichtit z hadcového tělesa od Slatinky u Letovic. Časopis pro mineralogii a geologii, 1966, roč. 11, č. 3, s. 311-315.
Germany
 
  • Hesse
    • Giessen Region
      • Marburg-Biedenkopf
        • Bad Endbach
Faust and Hahey (1962) The Serpentine Group Minerals; Brauns, Reinhard (1888)
Japan
 
  • Hokkaidō Prefecture
    • Kamikawa Subprefecture
      • Furano city
Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy = 北海道大學理學部紀要, 8(2): 175-210
Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy = 北海道大學理學部紀要, 8(2): 175-210
  • Saitama Prefecture
    • Iruma District
Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)
Poland
 
  • Lower Silesian Voivodeship
    • Ząbkowice Śląskie Co.
      • Gmina Bardo
Traube, H. (1888) Die Minerale Schlesiens. J.U. Kern's Verlag, Breslau, 286 pages [in German].
      • Gmina Ząbkowice Śląskie
Traube, H. (1888) Die Minerale Schlesiens. J.U. Kern's Verlag, Breslau, 286 pages [in German].
Slovakia
 
  • Košice Region
    • Rožňava Co.
Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
USA
 
  • California
    • El Dorado Co.
      • Mother Lode Belt
        • East Segment Mother Lode
          • Georgetown District
            • Meadow Brook
Collected by Matthew Stanley in 2014
    • Nevada Co.
      • Grass Valley Mining District
        • Grass Valley
          • Idaho-Maryland group
            • Idaho-Maryland Mine (Idaho Maryland prospect; Maryland Mine; Howard Hill/Morning Dew; Idaho Maryland-Brunswick)
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 335.
  • Connecticut
    • New Haven Co.
      • Orange
Harold Moritz collection
  • Maryland
Ostrander, C.W., and Price, W.E., Jr., (1940), Minerals of Maryland: Baltimore, Md., Natural History Society of Maryland; Bangs, Herbert, 1946, Asbestos in Maryland: Baltimore, Md., Natural History Society of Maryland, Maryland Journal of Natural History, v. 16, no. 4, p. 67-73; Pearre, N.C., and Heyl, A.V., Jr., 1960, Chromite and other mineral deposits in serpentine rocks of the Piedmont Upland, Maryland, Pennsylvania, and Delaware: U.S. Geological Survey Bulletin 1082-K, p. 707-833, plates 40-47.
      • Jarretsville-Dublin Mining District
        • Dublin
Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
      • Woodensburg-Cardiff Mining District
        • Cardiff
Minerals of Maryland (1940) Charles Ostrander and Walter E. Price, Jr., Natural History Society of Maryland. p. 56
  • Massachusetts
    • Berkshire Co.
      • Florida
Western Massachusetts Geologic Resource Inventory, 3rd Ed., Alan R. Plante (Privately Published), 1994
Western Massachusetts Geologic Resource Inventory, 3rd Ed., Alan R. Plante (Privately Published), 1994
    • Essex Co.
      • Newbury
Sears, John Henry (1905): The Physical Geography, Geology, Mineralogy and Paleontology of Essex County
Bud Harmon collection, 1966
  • Michigan
    • Marquette Co.
Mineralogy of Michigan (2004) Heinrich & Robinson
      • Ishpeming Greenstone belt (Marquette Greenstone belt)
Mineralogy of Michigan (2004) Heinrich & Robinson
  • North Carolina
    • Clay Co.
Mineral Collecting Sites in North Carolina-W.F. Wilson and B.J. Mc Kenzie-1980
Genth,F.A (1891) The Minerals Of North Carolina:USGS Bulletion No.74
  • Oregon
    • Josephine Co.
      • Josephine Creek Mining District
(inclusions in "josephinite" nuggets) Dick, H.J.B. (1974) Earth and Planetary Science Letters, 24, 291-298.
  • Pennsylvania
    • Chester Co.
      • Newlin Township
        • Unionville
Mineralogy of Pennsylvania - 1922; Samual S. Gordon, pg. 173
    • Delaware Co.
      • Upper Providence Township
        • Media
Min PA 1922 S. Gordon pg. 199
    • Lancaster Co.
      • State Line Chromite Mining District
        • Fulton Township
Lapham & Geyer, 1965: Mineral Collecting in PA;
Personally Collected 4/12/2008, Mark J. Sigouin, Pennsylvania Licenced Professional Geologist
        • Little Britain Township
          • Texas
Mineralogy of Pennsylvania-1922; Samuel S. Gordon, pg. 122
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